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- PDB-3t3z: Human Cytochrome P450 2E1 in complex with pilocarpine -

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Basic information

Entry
Database: PDB / ID: 3t3z
TitleHuman Cytochrome P450 2E1 in complex with pilocarpine
ComponentsCytochrome P450 2E1
KeywordsOXIDOREDUCTASE / CYP2E1 / cytochrome P450 2E1 / P450 2E1 / heme protein / monooxygenase / drug metabolism / xenobiotic metabolism / endoplasmic reticulum / membrane
Function / homology
Function and homology information


: / 4-nitrophenol 2-monooxygenase activity / carbon tetrachloride metabolic process / benzene metabolic process / 4-nitrophenol metabolic process / halogenated hydrocarbon metabolic process / long-chain fatty acid omega-1 hydroxylase activity / long-chain fatty acid metabolic process / CYP2E1 reactions / arachidonate epoxygenase activity ...: / 4-nitrophenol 2-monooxygenase activity / carbon tetrachloride metabolic process / benzene metabolic process / 4-nitrophenol metabolic process / halogenated hydrocarbon metabolic process / long-chain fatty acid omega-1 hydroxylase activity / long-chain fatty acid metabolic process / CYP2E1 reactions / arachidonate epoxygenase activity / epoxygenase P450 pathway / lipid hydroxylation / oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, NAD(P)H as one donor, and incorporation of one atom of oxygen / Biosynthesis of maresin-like SPMs / monoterpenoid metabolic process / Xenobiotics / Paracetamol ADME / oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen, reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen / long-chain fatty acid biosynthetic process / unspecific monooxygenase / aromatase activity / Aspirin ADME / steroid metabolic process / Hsp70 protein binding / xenobiotic metabolic process / monooxygenase activity / response to bacterium / Hsp90 protein binding / oxygen binding / mitochondrial inner membrane / oxidoreductase activity / iron ion binding / intracellular membrane-bounded organelle / heme binding / endoplasmic reticulum membrane / enzyme binding / cytoplasm
Similarity search - Function
Cytochrome P450, E-class, group I, CYP2E-like / : / Cytochrome P450, E-class, group I / Cytochrome p450 / Cytochrome P450 / Cytochrome P450, conserved site / Cytochrome P450 cysteine heme-iron ligand signature. / Cytochrome P450 / Cytochrome P450 superfamily / Cytochrome P450 ...Cytochrome P450, E-class, group I, CYP2E-like / : / Cytochrome P450, E-class, group I / Cytochrome p450 / Cytochrome P450 / Cytochrome P450, conserved site / Cytochrome P450 cysteine heme-iron ligand signature. / Cytochrome P450 / Cytochrome P450 superfamily / Cytochrome P450 / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
sucrose / Chem-9PL / PROTOPORPHYRIN IX CONTAINING FE / Cytochrome P450 2E1
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.35 Å
AuthorsMeneely, K.M. / DeVore, N.M. / Scott, E.E.
CitationJournal: Febs J. / Year: 2012
Title: Structural comparison of cytochromes P450 2A6, 2A13, and 2E1 with pilocarpine.
Authors: DeVore, N.M. / Meneely, K.M. / Bart, A.G. / Stephens, E.S. / Battaile, K.P. / Scott, E.E.
History
DepositionJul 25, 2011Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 7, 2011Provider: repository / Type: Initial release
Revision 1.1Jun 6, 2012Group: Database references
Revision 1.2Nov 8, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_conn_type / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.src_method / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _struct_asym.entity_id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 29, 2023Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_related
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_related.db_name

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Cytochrome P450 2E1
B: Cytochrome P450 2E1
C: Cytochrome P450 2E1
D: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)224,90216
Polymers220,2344
Non-polymers4,66812
Water12,863714
1
A: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,2264
Polymers55,0581
Non-polymers1,1673
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,2264
Polymers55,0581
Non-polymers1,1673
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
3
C: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,2264
Polymers55,0581
Non-polymers1,1673
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
4
D: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)56,2264
Polymers55,0581
Non-polymers1,1673
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
5
C: Cytochrome P450 2E1
hetero molecules

A: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)112,4518
Polymers110,1172
Non-polymers2,3346
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
crystal symmetry operation1_655x+1,y,z1
Buried area4620 Å2
ΔGint-62 kcal/mol
Surface area38510 Å2
MethodPISA
6
B: Cytochrome P450 2E1
D: Cytochrome P450 2E1
hetero molecules


Theoretical massNumber of molelcules
Total (without water)112,4518
Polymers110,1172
Non-polymers2,3346
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area4600 Å2
ΔGint-60 kcal/mol
Surface area38550 Å2
MethodPISA
Unit cell
Length a, b, c (Å)100.638, 100.638, 259.453
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number76
Space group name H-MP41

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Components

#1: Protein
Cytochrome P450 2E1 / 4-nitrophenol 2-hydroxylase / CYPIIE1 / Cytochrome P450-J


Mass: 55058.488 Da / Num. of mol.: 4 / Fragment: unp residues 31-492
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CYP2E, CYP2E1 / Plasmid: pKK2E1dH / Production host: Escherichia coli (E. coli) / Strain (production host): TOPP3
References: UniProt: P05181, Oxidoreductases; Acting on paired donors, with incorporation or reduction of molecular oxygen; With NADH or NADPH as one donor, and incorporation of one atom of oxygen into the other donor
#2: Polysaccharide
beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose / sucrose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Details: oligosaccharide with reducing-end-to-reducing-end glycosidic bond
References: sucrose
DescriptorTypeProgram
DFrufb2-1DGlcpaGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[ha122h-2b_2-5][a2122h-1a_1-5]/1-2/a2-b1WURCSPDB2Glycan 1.1.0
[][b-D-Fruf]{[(2+1)][a-D-Glcp]{}}LINUCSPDB-CARE
#3: Chemical
ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#4: Chemical
ChemComp-9PL / (3S,4R)-3-ethyl-4-[(1-methyl-1H-imidazol-5-yl)methyl]dihydrofuran-2(3H)-one / PILOCARPINE


Mass: 208.257 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C11H16N2O2 / Comment: medication, alkaloid*YM
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 714 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.98 Å3/Da / Density % sol: 58.76 %
Crystal growTemperature: 298 K / pH: 7.5
Details: 8% PEG MME 2000, 12% isopropanol, and 0.1 M NaHEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-BM / Wavelength: 0.98
DetectorType: MAR CCD 165 mm / Detector: CCD / Date: Nov 30, 2009
Details: SAGITALLY FOCUSED SECOND CRYSTAL, VERTICAL FOCUSING VIA A ONE-METER, PT/PD-COATED CYLINDRICALLY FOCUSING MIRROR
RadiationMonochromator: SI(111) DOUBLE CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.98 Å / Relative weight: 1
ReflectionResolution: 2.35→37 Å / Num. obs: 102444 / % possible obs: 95.9 % / Observed criterion σ(I): 0 / Redundancy: 3.76 % / Rmerge(I) obs: 0.105 / Net I/σ(I): 6.6
Reflection shellResolution: 2.35→2.41 Å / Redundancy: 2.04 % / Rmerge(I) obs: 0.221 / Mean I/σ(I) obs: 2.6 / % possible all: 84.3

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Processing

Software
NameVersionClassification
MAR345CCDdata collection
PHASERMRphasing
REFMAC6.1.13refinement
DENZOdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.35→36.98 Å / Cor.coef. Fo:Fc: 0.947 / Cor.coef. Fo:Fc free: 0.913 / SU B: 8.392 / SU ML: 0.198 / Cross valid method: THROUGHOUT / ESU R: 0.372 / ESU R Free: 0.277 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.28051 5103 5 %RANDOM
Rwork0.21735 ---
obs0.22049 97337 95.93 %-
all-97337 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 34.995 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å2-0 Å2-0 Å2
2--0 Å20 Å2
3----0.01 Å2
Refine analyzeLuzzati coordinate error obs: 0.321 Å
Refinement stepCycle: LAST / Resolution: 2.35→36.98 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms15148 0 324 714 16186
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.020.02215953
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.6292.01721681
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.13151858
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.42223.182751
X-RAY DIFFRACTIONr_dihedral_angle_3_deg17.232152710
X-RAY DIFFRACTIONr_dihedral_angle_4_deg20.12815116
X-RAY DIFFRACTIONr_chiral_restr0.1180.22307
X-RAY DIFFRACTIONr_gen_planes_refined0.0080.02112184
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.8571.59317
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.544215178
X-RAY DIFFRACTIONr_scbond_it2.48536636
X-RAY DIFFRACTIONr_scangle_it3.7934.56500
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.35→2.411 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.364 316 -
Rwork0.289 6193 -
obs--82.77 %

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